Panormos in Rethymno, Greece offers 1 beach perfect for sunbathing, surfing, swimming, and more. Panormos in Rethymno, Crete, Greece, is known for its picturesque harbor and proximity to the ancient city of Eleutherna. The best time to travel to Panormos in Rethymno, Greece, is from May to September, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is approximately 22-26°C (72-79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!